I'll rephrase: Popcornhour advertises that it will "Play Anything"
These are the formats listed in the specifications:
Supported Media File Formats
Video containers:
MPEG1/2/4 Elementary (M1V, M2V, M4V)
MPEG1/2 PS (M2P, MPG, DAT, VOB)
MPEG2 Transport Stream (TS, TP, TRP, M2T, M2TS, MTS)
AVI, ASF, WMV
Matroska (MKV)
MOV (H.264), MP4, RMP4
Video Decoders:
XVID SD/HD
MPEG-1
MPEG-2 MP@HL
MPEG-4.2 ASP@L5, 720p, 1-point GMC
MPEG-4.10 (H.264) : BP@L3, MP@L4.0, HP@L4.0, HP@L4.1
WMV9 : MP@HL
SMPTE 421M (VC-1) : MP@HL, AP@L3
Audio Containers:
AAC, M4A
MPEG audio (MP1, MP2, MP3, MPA)
WAV
WMA
FLAC
OGG
Audio Decoders:
Dolby Digital
DTS
WMA, WMA Pro
MPEG-1 Layer 1, 2, 3
MPEG-4 AAC-LC
MPEG-4 HE-AAC
MPEG-4 BSAC
LPCM
FLAC
Vorbis
Audio Pass-Through:
DTS, DTS-HD HR, DTS-HD MA
Dolby Digital, Dolby Digital Plus, Dolby True HD
Other Formats:
ISO, IFO navigation
AVCHD navigation
Blu-ray** ready (requires addition of compatible BD-ROM and at least 2GB USB memory stick)
Photo Formats:
JPEG, BMP, PNG, GIF, TIFF
Subtitle Formats:
SRT, MicroDVD SUB, SSA, SUB/IDX
DRM
Cardea DRM (WMDRM-ND)
Janus DRM (WMDRM-PD)